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added file and segment lengths to checksum.c

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This commit is contained in:
Andreas Steffen
2009-07-21 22:23:51 +02:00
parent 8ce8e19068
commit e1089f5906
3 changed files with 59 additions and 21 deletions
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src/libstrongswan/integrity_checker.h
+8 -3
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@@ -33,8 +33,12 @@ typedef struct integrity_checksum_t integrity_checksum_t;
struct integrity_checksum_t {
/* name of the checksum */
char *name;
/* size in bytes of the file on disk */
size_t file_len;
/* checksum of the file on disk */
u_int32_t file;
/* size in bytes of executable segment in memory */
size_t segment_len;
/* checksum of the executable segment in memory */
u_int32_t segment;
};
@@ -60,9 +64,10 @@ struct integrity_checker_t {
* Build the integrity checksum of a file on disk.
*
* @param file path to file
* @param len return length in bytes of file
* @return checksum, 0 on error
*/
u_int32_t (*build_file)(integrity_checker_t *this, char *file);
u_int32_t (*build_file)(integrity_checker_t *this, char *file, size_t *len);
/**
* Check the integrity of the code segment in memory.
@@ -72,14 +77,14 @@ struct integrity_checker_t {
* @return TRUE if integrity tested successfully
*/
bool (*check_segment)(integrity_checker_t *this, char *name, void *sym);
/**
* Build the integrity checksum of a code segment in memory.
*
* @param sym a symbol in the segment to check
* @param len return length in bytes of code segment in memory
* @return checksum, 0 on error
*/
u_int32_t (*build_segment)(integrity_checker_t *this, void *sym);
u_int32_t (*build_segment)(integrity_checker_t *this, void *sym, size_t *len);
/**
* Check both, on disk file integrity and loaded segment.